Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2001-2008 Aqris Software AS. All rights reserved.
 * 
 * This program is dual-licensed under both the Common Development
 * and Distribution License ("CDDL") and the GNU General Public
 * License ("GPL"). You may elect to use one or the other of these
 * licenses.
 */

import java.util.ArrayList;

import java.util.Comparator;

import java.util.List;

public class Main {
    public static List intersection(List list1, List list2) {
        List result = new ArrayList(list1.size() + list2.size());
        Object item;
        for (int i = 0, max_i = list1.size(); i < max_i; i++) {
            item = list1.get(i);
            if (list2.contains(item)) {
                result.add(item);
            }
        }

        return result;
    }

    /**
     * Uses given comparator to compare all list items to the given object to see
     * if there are some equal objects in the list.
     *
     * @return  true if there is at least one equal object, false otherwise
     */
    public static final boolean contains(List list, Object object, Comparator comparator) {
        for (int i = 0; i < list.size(); i++) {
            if (comparator.compare(list.get(i), object) == 0) {
                return true;
            }
        }

        return false;
    }
}